Tire-valve tool.



E. N. HAVERPIBLD. TIRE VALVE TOOL. APPLIoATroN r'ILnn un. 1a, ma.

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Patented Mar. 31, 1914 EMHETTN. HAVEBFIELD, 0F CADIZ, OH-IO.

TIRE-VALVE TOOL.

Sepecication of Letters Patent. v Patented lVIar, 31, 1914.

Application led February 18, 1913. Serial No. 749,246.

To all 'whom it may concern Be it known that '.I, EMMETT N. Havra- FIELD, 'citizen of the United States, residlng at Cadiz, in the county of Harrison and State of Ohio, -have invented certainl new and useful Improvements in Tire-Valve Tools,'of which thefollowing is a speclication.

This invention has as its object to provide a tool possessing features rendermg. 1t highly useful to automobiliste and/cyclists in working with tire valves. a

The prlmar aim of the invention 1s to provide a too which may be quickly and conveniently employed for the purpose of deflating inner tubes, as for example, prlor to their removal from the casing. Ordinarily, inner tybes are deflated by pressing in on the valve-stem with a match, nail, or the cap of thevalve casing, but this method presen-ts the disadvantage that but one hand can be used in pressing or squeezing the inner tube to completely expel the air. For this reason, the present invention aims to so construct the tool that when applied to the valve casing it will 'hold' -the vvalve in open position Without requlrlng further "attention on the-part of the user, thereby allowing him to use both hands in expellingthe air.

For a full understanding of the invention reference is to be had to the following description and accompanying drawing, in which Figure 1 is a perspective view illustrating the manner in which the tool embodying the present invention is to be employed in def iiating an inner tube prior to removing the same from its casing and prior to removal of the casing from the wheel-rim. Fig. 2

is a View partly in side elevation and partly in section of the tool, the same beingappl-ied to a tire valve casing. Fig. 3 is a plan view of the tool.v Fig. 4 is a fragmentary longitudinal sectional view through the tool.

Corresponding and like parts are referred to in the following description and indicated inl all the views of the accompanying drawing by the same reference characters.

In the drawing the. tool embodying the present invention is illustrated as consisting essentially of a body 1 which is prefera ly elliptical in form and flat-sided. At

one end the body 1 is formed with a stem 2 and at its opposite end with a stem 3, these Stems being in alinement .with the major threads use in re-threading the interior of the valve Aarranging the body l for axis of the said body'l. The stem 2 is formed at its end with a kerf 4 and is thus adapted for use in unscrewing the seat of a tire valve prior to removal of the valve proper. The other stem 3is provided with 5 and flutes 6 which adapt it for casing. Adjacent that end at which the stem 3 is located, the body 1 is formed with an opening 7, the wall of which is threaded and recessed in the ordinary manner to serve the purpose of a die, and the provision of this opening 7 adapts the tool for use in rethreading the exterior of the valve casing should the threads become distorted or stripped. A rectangular opening 8 is formed in the body 1- near the other end thereof and adapts the device for use as a wrench. v

As before stated, the tool is designed for use in deiating inner tire tubes and With this end in view the `body 1 is constructed to be fitted to the valve casing and provided with means for holding the valve in open position when the tool is so apnlifd. In application to the valve casing, -it is formed in one face at a point substantially midway between its ends with a socket 9, the wall of which is threaded as indicated at 10 and the end or bottom.

wall of the socket, indicated at 11, is formed centrally with a stud 12 which projects toward the open end of the socket and aX- ially thereof but terminates at its end short -of the planevoccupied by that face of the body in vwhich the socket is formed. The stud 12 is here shown as cylindrical and its face is flat so as to squarely engage the stem of the valve under conditions which will be presently explained. To permit of the escape of air upon opening of the valve by the engagement of the stud 12 therewith, the body 1 is formed with a vent opening 13 which opens at one end at that side of the ,bodyopposite the side in which the socket 1s formed, and at' its other end opens through the end or bottom wall of the said socket, as clearly shown in Figs. 2 and 4 of the drawing.

From the foregoing and from an inspection of Figs. `l and 2 of the drawing it will be understood that when the tool is to be employed for the purpose of -deflating an inner tire tube the tool is disposed with the open end of its socket receiving the end of the valve casing, the cap of the casing having been previously removed and the tool is then threaded onto the said casing by engaging ones ngers with the stems 2 and 3 and rotating 'the tool. As the tool is threaded 'into place, the end of the stud 12 will engage against the upper end of the stem of the valve which, in the drawing is indicated at 14, and will depress the stem to open the valve. The air from the inner tube will then flow the valve and escape by way ofthe vent opening 13. lt will be apparent that after having applied the tool to the valve casing, it will require no further attention until the tire has been completely deflated and it is to be removed and consequently both hands may be employed in pressing or squeezing ythe tire 4to expel the air therefrom.

lt will be observed that inasmuch as the stud 12 terminates short of that face of the body 1 in which the socket 9 is formed, it

will not be liable to be bent or have its end battered or spread should the tool be dropped or come in contact with other tools. Furthermore, by so vproportioning this stud,

the tool may be more readily engaged with and properly centered with relation to the valve casing than would otherwise -be the case.

lt will be observed from an inspection of F ig. 3 of the drawings that'tlie opening 13 at its inner end is of a width equal to the width of the space between the stud 12 and the threaded wall of the socket 9 so that should any dirt enter the socket, the end of a match-stem, or the like, moved over the bottom wall of the socket, will cause dirt` lodging upon the said wall to fall through t-he said opening 13. It is to be noted that the axis of theopening 7, the axis of the stud 12, and the center of the opening 8 are in alinement along` the through the casing of when the tool isybeing applied to a valve casing for the purpose of deflating the inner tube, or when it is being used in rethreading the exterior of the casing or in applying or removing the cap thereof, the stems 2 and 3 serve as handles or fingerpieces, by means of which the tool may be readily rotated.

From the foregoing it will be apparent that when the tool is to be employed for the .purpose of defiating inner tubes, the tool is 'applied to vthe valve casing 4:in a manner heretofore explained and the air may then` be expelled from the tube by pressing upon the tube or squeezing the same.

Having thus described the invention what is claimed as new is In a` device of the class described, a fiatsided body provided in one face with a threaded socket designed to receive the threaded neck of a tire valve casing, ay stud located `axially within the socket and projecting from the inner end wall thereof, the stud being spaced from the threaded wall of the socket a distance greater than the thickness of the wall of the neck of the valve casing which the socket is to receive, the body in its other facebeing formed with a vent which opens through the inner end wail'of the socket, the vent at its end which communicates with the vsocket being of a width substantially equal to the width of the end wall of the socket between its threaded wall andthe surface of the stud. y

ln testimony whereof I aix my signature in presence of two witnesses.

numeri N. HAVERFIELD.-

Witnesses:

C. M. OSBURN, N'. A. CHANEV..

.major axis of the body 1, andvconsequently 

